When using small inner and outer angles, the light gets inverted.
test case :
jme3test.light.TestSpotLight.java
change the inner and outer angles to 1&2 …
[java]
spot.setSpotInnerAngle(1FastMath.DEG_TO_RAD);
spot.setSpotOuterAngle(2FastMath.DEG_TO_RAD);[/java]
what i see …